mac.c File Reference

This module runs the MAC scheduler.

Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.

#include <compiler.h>
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include "return_val.h"
#include "pal.h"
#include "bmm.h"
#include "qmm.h"
#include "tal.h"
#include "tal_internal.h"
#include "ieee_const.h"
#include "mac_msg_const.h"
#include "mac_api.h"
#include "mac_msg_types.h"
#include "mac_data_structures.h"
#include "stack_config.h"
#include "mac_internal.h"
#include "mac.h"
#include "mac_build_config.h"

Macros
#define	MAC_GUARD_TIME_US   1000
#define	READY_TO_SLEEP   1

Functions
uint32_t	mac_ready_to_sleep (void)
	Checks if the mac stack is ready to sleep. More...
bool	mac_task (void)
	Runs the MAC scheduler. More...

Variables
queue_t	broadcast_q
	Queue used by MAC layer in beacon-enabled network to put in broadcast data. More...
queue_t	indirect_data_q
	Queue used by MAC layer to put in indirect data. More...
bool	mac_bc_data_indicated
	Flag stating that the last received beacon frame from the parent indicated pending broadcast data to be received. More...
uint8_t	mac_beacon_payload [aMaxBeaconPayloadLength]
	Holds the contents of the beacon payload. More...
bool	mac_busy
	MAC busy state, indicates whether MAC can process any request from NHLE. More...
uint8_t *	mac_conf_buf_ptr
	Holds the mlme request buffer pointer, used to give the respective confirmation in scan, poll and association. More...
uint8_t	mac_final_cap_slot
	Final Cap Slot of current Superframe. More...
uint8_t	mac_last_dsn
uint64_t	mac_last_src_addr
parse_t	mac_parse_data
	Global parse data. More...
mac_pib_t	mac_pib
mac_poll_state_t	mac_poll_state
	Current state of MAC poll state machine, e.g. More...
mac_radio_sleep_state_t	mac_radio_sleep_state
	Radio sleep state. More...
bool	mac_rx_enabled
uint8_t *	mac_scan_cmd_buf_ptr
	Holds the buffer pointer which is used to send scan command. More...
uint8_t	mac_scan_orig_channel
	Stores the original channel before start of scanning. More...
uint8_t	mac_scan_orig_page
	Stores the original channel page before start of scanning. More...
uint16_t	mac_scan_orig_panid
	Stores the original PAN-Id before start of scanning. More...
mac_scan_state_t	mac_scan_state
	Current state of scanning process. More...
mac_state_t	mac_state
	Current state of the MAC state machine. More...
mac_superframe_state_t	mac_superframe_state = MAC_NOBEACON
mac_sync_state_t	mac_sync_state
	Current state of syncronization with parent (either coordinator or PAN coordinator). More...
queue_t	nhle_mac_q
	NHLE to MAC queue in which NHLE pushes all the requests to the MAC layer. More...
queue_t	tal_mac_q
	Queue used by MAC for its internal operation. More...
volatile bool	timer_trigger

#define MAC_GUARD_TIME_US   1000

Referenced by mac_ready_to_sleep().

#define READY_TO_SLEEP   1

Referenced by mac_ready_to_sleep().

queue_t nhle_mac_q

NHLE to MAC queue in which NHLE pushes all the requests to the MAC layer.

Referenced by flush_queues(), mac_init(), wpan_mcps_data_req(), wpan_mcps_purge_req(), wpan_mlme_associate_req(), wpan_mlme_associate_resp(), wpan_mlme_disassociate_req(), wpan_mlme_get_req(), wpan_mlme_gts_req(), wpan_mlme_orphan_resp(), wpan_mlme_poll_req(), wpan_mlme_reset_req(), wpan_mlme_rx_enable_req(), wpan_mlme_scan_req(), wpan_mlme_set_req(), wpan_mlme_start_req(), and wpan_mlme_sync_req().

volatile bool timer_trigger

Referenced by hw_expiry_cb(), internal_timer_handler(), load_hw_timer(), mac_ready_to_sleep(), and sw_timer_init().